Improvement in pet-cocks for locomotives



F A G A S E Y Pet-Cock for Locomotives.

Patented Aug. 31,1875.

Q [VENTORII 52;

WITNESSES 292%" ,M

ATTORNEYS NJ ETERS, FHOTO-LIIHOGRAFHEH, WASHINGTON, D .6,

FRED A. CASEY, OF ELKHART, INDIANA, ASSIGNOR OF ONE-HALF HIS RIGHT TO H.BEARUP, OF SAME PLACE.

IMPROVEMENT IN PET-COCKSFOR LOCOMOTIVES.

Specification forming part of Letters Patent No. 167,302. dated August31, 1875; application filed February 24, 1875. v

To all whom it may concern:

Be it known that I, FRED A. CASEY, of. Elkhart, in the county of Elkhartand in the State of Indiana, have invented certain new and usefulImprovements in Pet-Cocks; and do hereby declare that the following is afull, clear, and exact description thereof, reference being had to theaccompanying drawings and to the letters of reference marked thereon,making a part of this specification.

My invention relates to the ordinary petcocks used on locomotive-pumpsor other machinery; and it consists in the construction and arrangementof an attachment combined with a pet-cock, to prevent the same fromfreezing, as will be hereinafter more fully set forth.

In order to enable others skilled in the art to which my inventionappertains to make and use the same, I will now proceed to describe itsconstruction and operation, referring to the annexed drawing, whichrepresents a longitudinal section of my improved pet-cock.

A represents the tube or barrel of the petcock, through the outer end ofwhich passes the plug or key B, constructed in the ordinary manner, forope1.ing and shutting the waterchannel a. In the other end of the barrelA is screwed a movable plug, 0, which is made hollow, and provided witha circumferential flange, b. This flange is to abut against the end ofthe barrel, and packing e placed between them, so as to make asteam-tight joint at that point. The outer end of the hollow plug 0screws into the pump-chamber, for

holding the pet-cock in position. The inner end of the hollow plug formsa steam-tight joint, d, by forming the end tapering, and at the sametime forming the continuous waterchamber a. Around the hollow plug O inthe barrel A is formed an annular space, f, provided with inlet h andoutlet '5. The steam is admitted into the annular spacef through theinlet it around the water-channel a and out of the waste-opening 2' intothe atmosphere.

By the steam surrounding the hollow plug 0 and water-channel a thepet-cock is prevented from freezing.

This device can be used both summer and winter-for summer, by simplyopening 'or breaking the joint at d, and closing theopenings Ct and i,compelling the water to pass through the openings 01 and h to theboiler, for the'use of the engineer in wetting his coal and trying thecondition of his pumps.

Having thus fully described my invention, what I claim as new, anddesire to secure by Letters Patent, is'

The combination, with the barrel A and plug or key B of a pet-cock, ofthe hollow plug 0, forming steam-tight joints at e (Z, the annularchamber f, inlet h, and outlet z", all substantially as and for thepurposes herein set forth.

In testimony that I claim the foregoing, I have hereunto set my handthis 13th day of February, 1875.

FRED A. CASEY. Witnesses:

CHAS W. Frsn, CHAS. H. LEONARD.

